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Rusty Olson's--Soil and Percolation Testing <br /> Joseph J. Olson--MPCA License#810 <br /> 11481 Riverview Rd. NE,Hanover,MN 55341 <br /> (763) 498-8779 Fax (763)498-8290 <br /> August 10,2009 QitONO CO�PY <br /> Mike H�en 1',�,���`► <br /> 3445 High Lane <br /> Orono,Hennepin County <br /> Phone 952-476-6049 <br /> "This on-site Sewage Treatment System is designed for a Type 1 three-bedroom home in accordance with <br /> the Minnesota Pollution Control Agency Chapter 7080 and local ordinances. <br /> The periodically saturated soils were located at 20"-26"(mottled soil).Due to the periodicaliy saturated <br /> soils,a pressurized mound system will need to be installed to treat the septic effluent.The bottom of the <br /> treatment area must be located at least 3'above the saturated soils. <br /> All neighboring wells are greater than 100 feet from proposed treatment areas. <br /> T'he soils at a depth of 12"have a percolation rate averaging 4 MPI. <br /> The existing septic system does not conform to the state code chapter 7080. �R�NO�pY <br /> The existing tanks must be abandoned. <br /> Two new 1000 gallon septic tanks need to be installed.A new 1000 gallon lift station needs to be installed. <br /> All tanks need to be insulated if there is less than two feet of cover over the top of the tanks.A filter <br /> installed on the second tank. <br /> A pumping chamber will need to be installed to lift the ef�luent to the treatment area. The power supply and <br /> switches must be located outside the manhole and pumping chamber in a weatherproof enclosure. A <br /> warning device must be installed with light and sound devices;this is in case of a purr►p failure.The <br /> manifold and supply line must have back drainage to the pump chamber.The rock and filt materials must <br /> be clean.The sod layer below the entire mounded area must be turned over.Just break up the sod and be <br /> sure not to over work. <br /> Nothine other than eray water,(taundrv showers etc.) Human water and toitet tissue should be <br /> disposed of into the seatic tanks. Garbage disaosals are not recommended Additives roust not be <br /> used: thev mav cause harmful dama�e to vour sentic svstem. It is recommended that vou puma the <br /> tank everv vear for 1 tank,everv two vears for two tanks. <br /> Sincerely, �j���� <br /> SEPTICi' RFV �.��� <br /> ORONO COPY 1'�'SPECT <br /> Joseph J.Olson I)ATE��;-��,�„�IT N(l. � <br /> 0 APPRQVtRplii�M[TTf.I� --�—� <br /> [� APPRQYBp�CORrit::��i;�,��ti ns�.�c��rF.D <br /> I� �oRA#�l�R+i1�lIFCoRarc r„ �,��:s�:F��IT <br /> �OSJ�v�Gm W�W�t���V FQ� �;.cse�nlaMb���tnforn�a!�,��, nil work shxll bedor <br /> in fu��/���Plicuhic ,r�„ir nnd caning cude. <br /> ��D�M� ����� ReqY�(��ftlsnuts;;cci:'i�zflynutaliRibl�lrl� <br /> OF BEDR00t1�INVAlJDAI�tH�S DESIGII� i���1�cu+�srri:,�r,��.� ri.�r:s <br /> � � . <br />